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Mitsubishi Diamond Plus 73 N0701 Benutzerhandbuch Seite 21

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  • DEUTSCH, seite 22
Black vertical lines are visible on the screen
Thin vertical black lines on one or both sides of the screen. This
minor condition is caused by grille element overlap which can occur
during shipping.
Position an open white window over the affected area of the screen
and maximize the brightness and contrast controls. This will cause
localized heating of the overlap which will clear in a few minutes. Be
sure to readjust the brightness and contrast controls back to the
normal viewing level after this procedure.
Two fine horizontal lines are visible on the screen
The 2 very faint thin lines across the screen are normal. They are
caused by the aperture grille stabilization filaments(Damper
Wires)which are required for all aperture grille CRTs'.
Shadow of Damper Wires
A buzzing sound when power on
A brief vibration or hum sound that is heard just after power up is
normal. This is caused by the automatic degaussing function. This
sound will be heard each time the monitor is powered up from a
cold start and each time the manual degauss button is used.
Aperture Grille
Electron Gun
Damper Wires
Aperture Grille Type
E-13
E
Shadow of
Damper Wires

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